A star balanced on top of a small pedastal.
Correct. A robot with a square head.
A ramp rising to the right.
No, not that one. This rises in the other direction.
An airplane with two sets of wings.
No, not that one. This one has a square at the very top, offset slightly to the right.
No, not that one. Remove the previous three shapes.
A star balanced on top of a small pedestal.
A two-tiered fountain that's upside down.
No, not that one.

Outcome: unsuccessful
Speaker comments: Wrong selections by the bot are difficult to reverse. It adds new answers instead of removing incorrect ones even when told 'no not that one.'